Enhance your AR15's performance with this precision-engineered bolt carrier group. Crafted from durable stainless steel it delivers exceptional reliability and longevity. The inner components are heat-treated and chrome-lined ensuring smooth operation and reduced wear over time. Finished with a sleek black phosphate coating this bolt carrier group not only looks impressive but also provides enhanced corrosion resistance. Measuring 7.5 inches in length this complete set includes a cam pin firing pin gas key and bolt all designed to meet mil-spec standards for consistent top-tier performance.